Patents by Inventor Gyu-nam Kim

Gyu-nam Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240127913
    Abstract: Disclosed are a page turning method for turning the pages of an electronic chart through a user interaction, and a computing device. The page turning method allows a user's interactive operation on an electronic chart to be sensed by considering the user's behavior of retrieving medical treatment details of a patient from a conventional paper chart, and allows pages of the electronic chart to be adjusted according to the sensed interactive operation so that a desired page of the user can be moved in the electronic chart and displayed on a screen.
    Type: Application
    Filed: March 22, 2022
    Publication date: April 18, 2024
    Inventors: Gyu Nam KIM, Ji Young JANG, Kyoo Ok CHOI
  • Patent number: 11909393
    Abstract: An input/output circuit including: a pull-up driving circuit including at least one internal node coupled to a pad, the pull-up driving circuit configured to pull up a voltage of the pad to a Tx power supply voltage; and a pull-down driving circuit configured to pull down the voltage of the pad to a ground voltage. The pull-up driving circuit is configured to set a voltage level of the at least one internal node to a voltage level of a power supply voltage on the basis of a fixed voltage, when a voltage difference between the Tx power supply voltage and the voltage of the pad is greater than the voltage level of the power supply voltage.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: February 20, 2024
    Assignee: SK hynix Inc.
    Inventor: Gyu Nam Kim
  • Publication number: 20230308100
    Abstract: An input/output circuit including: a pull-up driving circuit including at least one internal node coupled to a pad, the pull-up driving circuit configured to pull up a voltage of the pad to a Tx power supply voltage; and a pull-down driving circuit configured to pull down the voltage of the pad to a ground voltage. The pull-up driving circuit is configured to set a voltage level of the at least one internal node to a voltage level of a power supply voltage on the basis of a fixed voltage, when a voltage difference between the Tx power supply voltage and the voltage of the pad is greater than the voltage level of the power supply voltage.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 28, 2023
    Applicant: SK hynix Inc.
    Inventor: Gyu Nam KIM
  • Publication number: 20230026895
    Abstract: The present invention relates to a method and a system for managing dental article information based on a UHF RFID, and more particularly, to a method and a system for managing dental article information based on a UHF RFID, capable of automatically monitoring a location, a stock, and an expiration date of an article used by medical staffs of a dental clinic without an additional action of the medical staff, and providing information and a notification related to a dental article to the medical staffs of the dental clinic.
    Type: Application
    Filed: February 3, 2022
    Publication date: January 26, 2023
    Applicants: KONG TECH Co., Ltd., OSSTEMIMPLANT CO., LTD., KOREA DESIGN SCIENCE INSTITUTE
    Inventors: Dong Un LEE, Hak Kyung LEE, Ho Jin LIM, Myoung Pyo HONG, Young Soo JUNG, Sang Yeon PARK, Young Kyu CHI, Yong Jin KIM, Gyu Nam KIM
  • Publication number: 20220352712
    Abstract: An electronic device uses, as power, a first voltage and a second voltage lower than the first voltage. The electronic device includes: an internal circuit configured to be driven by the second voltage, and output an output signal having a level corresponding to the second voltage; and an interface circuit configured to receive the output signal, the first voltage, and the second voltage, shift the output signal to a level corresponding to the first voltage, and provide the shifted output signal to a pad. The interface circuit includes an ESD (electrostatic discharge) block connected to the pad. The interface circuit further includes a plurality of transistors, and all of the transistors of the interface circuit are driven at the second voltage and broken at the first voltage.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 3, 2022
    Inventors: Seung Ho LEE, Gyu Nam KIM
  • Patent number: 11258435
    Abstract: An output driving circuit includes a pull-down driver and a voltage stabilizer. The pull-down driver includes first, second, and third transistors connected in series between a pad and a ground node. The voltage stabilizer generates a stabilization voltage based on a voltage of the pad and a power voltage, and outputs the stabilization voltage to a control terminal of the second transistor.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: February 22, 2022
    Assignee: SK hynix Inc.
    Inventor: Gyu Nam Kim
  • Publication number: 20210367586
    Abstract: An output driving circuit includes a pull-down driver and a voltage stabilizer. The pull-down driver includes first, second, and third transistors connected in series between a pad and a ground node. The voltage stabilizer generates a stabilization voltage based on a voltage of the pad and a power voltage, and outputs the stabilization voltage to a control terminal of the second transistor.
    Type: Application
    Filed: October 19, 2020
    Publication date: November 25, 2021
    Inventor: Gyu Nam KIM
  • Patent number: 10389365
    Abstract: A crystal oscillation circuit includes a crystal oscillator coupled between an input pad node and an output pad node, a current mirror inverting amplifier configured to have a first input terminal coupled to the input pad node and an output terminal coupled to the output pad node, a detection logic circuit configured to detect a signal of the output pad node to generate an output pad node detection signal, and an automatic control logic circuit configured to apply a pull-up driver control signal to a second input terminal of the current mirror inverting amplifier in response to the output pad node detection signal. The current mirror inverting amplifier operates with a first gain or a second gain lower than the first gain according to the pull-up driver control signal.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: August 20, 2019
    Assignee: SK hynix Inc.
    Inventor: Gyu Nam Kim
  • Publication number: 20180109264
    Abstract: A crystal oscillation circuit includes a crystal oscillator coupled between an input pad node and an output pad node, a current mirror inverting amplifier configured to have a first input terminal coupled to the input pad node and an output terminal coupled to the output pad node, a detection logic circuit configured to detect a signal of the output pad node to generate an output pad node detection signal, and an automatic control logic circuit configured to apply a pull-up driver control signal to a second input terminal of the current mirror inverting amplifier in response to the output pad node detection signal. The current mirror inverting amplifier operates with a first gain or a second gain lower than the first gain according to the pull-up driver control signal.
    Type: Application
    Filed: June 2, 2017
    Publication date: April 19, 2018
    Applicant: SK hynix Inc.
    Inventor: Gyu Nam KIM
  • Publication number: 20080153253
    Abstract: A chemical mechanical polishing process and a method of fabricating a semiconductor device using the same are provided. The chemical mechanical polishing process includes applying a polishing activation solution with a reduced surface energy, wherein the polishing activation solution includes a surfactant; and polishing the object using the polishing activation solution. The method of fabrication includes forming a mask layer pattern on a semiconductor substrate, etching the substrate using the mask layer pattern as an etching mask, forming an insulating layer over a trench, and performing the chemical mechanical polishing above, wherein the object to be polished is the insulating layer.
    Type: Application
    Filed: December 21, 2007
    Publication date: June 26, 2008
    Inventors: Il-young Yoon, Jae-ouk Choo, Nam-jin Jung, Dong-hun Kim, Han-woo Lee, Gyu-nam Kim